Explore topic-wise MCQs in Digital Circuits.

This section includes 8 Mcqs, each offering curated multiple-choice questions to sharpen your Digital Circuits knowledge and support exam preparation. Choose a topic below to get started.

1.

The enable input is also known as ___________

A. Select input
B. Decoded input
C. Strobe
D. Sink
Answer» D. Sink
Discussion
2.

In the given 4-to-1 multiplexer, if c1 = 0 and c0 = 1 then the output M is ___________

A. X0
B. X1
C. X2
D. X3
Answer» C. X2
Discussion
3.

A basic multiplexer principle can be demonstrated through the use of a ___________

A. Single-pole relay
B. DPDT switch
C. Rotary switch
D. Linear stepper
Answer» D. Linear stepper
Discussion
4.

If the number of n selected input lines is equal to 2^m then it requires _____ select lines.

A. 2
B. m
C. n
D. 2n
Answer» C. n
Discussion
5.

In a multiplexer, the selection of a particular input line is controlled by ___________

A. Data controller
B. Selected lines
C. Logic gates
D. Both data controller and selected lines
Answer» C. Logic gates
Discussion
6.

A digital multiplexer is a combinational circuit that selects ___________

A. One digital information from several sources and transmits the selected one
B. Many digital information and convert them into one
C. Many decimal inputs and transmits the selected information
D. Many decimal outputs and accepts the selected information
Answer» B. Many digital information and convert them into one
Discussion
7.

One multiplexer can take the place of ___________

A. Several SSI logic gates
B. Combinational logic circuits
C. Several Ex-NOR gates
D. Several SSI logic gates or combinational logic circuits
Answer» E.
Discussion
8.

It is possible for an enable or strobe input to undergo an expansion of two or more MUX ICs to the digital multiplexer with the proficiency of large number of ___________

A. Inputs
B. Outputs
C. Selection lines
D. Enable lines
Answer» B. Outputs
Discussion